Home / 14,478.94-21,609.05-13,079.26

Finding the Fourth Proportional to 14,478.94, 21,609.05 and 13,079.26

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Solution

The fourth proportional to 14,478.94, 21,609.05 and 13,079.26 is: 19,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.94 : 21,609.05 = 13,079.26 : x
  2. Step 2: Convert to fraction form
    14,478.94/21,609.05 = 13,079.26/x
  3. Step 3: Cross multiply
    14,478.94x = 21,609.05 × 13,079.26
  4. Step 4: Simplify right side
    14,478.94x = 282,630,383.30
  5. Step 5: Solve for x
    x = 282,630,383.30/14,478.94
  6. Step 6: Final answer
    x = 19,520.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.